megohm

Million ohms combined

A megohm is one million ohms—a unit of electrical resistance.

The prefix mega- multiplies the base unit by a factor of one million.

Megohms typically measure very high resistances, as in insulation testing: The cable's insulation tested at 500 megohms.

measurement

resistance

Capacity to withstand force

calibration · precision · accuracy · tolerance · readout · probe · continuity · testing · diagnostic · kilohm

electronics

resistor

Current-limiting circuit element

transformer · semiconductor · PCB · multimeter · voltmeter · oscilloscope · inductor · transistor · potentiometer · varistor

insulation

dielectric

Polarizable electrical non-conductor

  • cableHeavy-duty woven line
  • windingCurving repeatedly, sinuous
  • motorEnergy-to-motion converter

transformer · shielding · barrier · breakdown · high-voltage · coating · enclosure · protection · insulator · wire

Opposites
electrical resistance magnitude

megohmmilliohm

One-thousandth ohm unit

short circuit · low resistance · zero resistance · ohm · conductor

Family

megohms

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Rated G